56 lines
2.0 KiB
C
56 lines
2.0 KiB
C
/*-------------------------------------------------------------------------
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*
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* extension.h
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* Extension management commands (create/drop extension).
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*
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*
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* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/commands/extension.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef EXTENSION_H
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#define EXTENSION_H
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#include "catalog/objectaddress.h"
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#include "nodes/parsenodes.h"
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/*
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* creating_extension is only true while running a CREATE EXTENSION or ALTER
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* EXTENSION UPDATE command. It instructs recordDependencyOnCurrentExtension()
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* to register a dependency on the current pg_extension object for each SQL
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* object created by an extension script. It also instructs performDeletion()
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* to remove such dependencies without following them, so that extension
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* scripts can drop member objects without having to explicitly dissociate
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* them from the extension first.
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*/
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extern PGDLLIMPORT bool creating_extension;
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extern PGDLLIMPORT Oid CurrentExtensionObject;
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extern ObjectAddress CreateExtension(ParseState *pstate, CreateExtensionStmt *stmt);
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extern void RemoveExtensionById(Oid extId);
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extern ObjectAddress InsertExtensionTuple(const char *extName, Oid extOwner,
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Oid schemaOid, bool relocatable, const char *extVersion,
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Datum extConfig, Datum extCondition,
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List *requiredExtensions);
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extern ObjectAddress ExecAlterExtensionStmt(ParseState *pstate, AlterExtensionStmt *stmt);
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extern ObjectAddress ExecAlterExtensionContentsStmt(AlterExtensionContentsStmt *stmt,
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ObjectAddress *objAddr);
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extern Oid get_extension_oid(const char *extname, bool missing_ok);
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extern char *get_extension_name(Oid ext_oid);
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extern bool extension_file_exists(const char *extensionName);
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extern ObjectAddress AlterExtensionNamespace(const char *extensionName, const char *newschema,
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Oid *oldschema);
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#endif /* EXTENSION_H */
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